名校
1 . 已知函数
,将函数
图象上的所有点的横坐标伸长为原来的2倍,纵坐标扩大到原来的
倍,所得图象为函数
的图象.
(1)写出g(x)的解析式;
(2)用“五点描点法”画出
的图象(
).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/95a7fa6c-89c8-4433-b738-1385c01dcb6c.png?resizew=269)
(3)求函数
图象的对称轴,对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d18a3090dacdd31776bb810bf17030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)写出g(x)的解析式;
(2)用“五点描点法”画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37440b57fe2ffc13f2a873e38f55d29b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/95a7fa6c-89c8-4433-b738-1385c01dcb6c.png?resizew=269)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2019-01-04更新
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649次组卷
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3卷引用:河北省沧州市肃宁一中2019-2020学年高二上学期第二次月考数学试题